Tedlar® PVF Sampling Bags PTFE On/Off valve, 0,3L Back Catalog number: HEDTDLC31Z_0.3L Availability: In the manufacturer's stock Price on request - + Recommended 1231 BALLOONS FOR GAS SAMPLING, 1,5Liters Price on request C-HSINS2-4 Spacer for Agitator, to accommodate for 2mL vials, pk 4 Price on request P-00001 VOC-Mole assembly, 230mm,pk 1 Price on request